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BIOLOGY 2ND QUARTER > Circulatory System > Flashcards

Circulatory System Flashcards

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1
Q

considered closed because blood is confined to vessels and distinct from interstitial fluid

A

Human Circulatory System

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2
Q

Major organs of circulatory system (3)

A

Heart, Blood Vessels, Blood

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3
Q

Pumps blood to large vessels; Main organ of circulatory system

A

Heart

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4
Q

Chambers of Heart (4)

A

Right and Left Atrium (upper), Right and Left Ventricle (lower)

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5
Q

Largest artery

A

Aorta

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6
Q

Largest vein in the heart

A

superior vena cava

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7
Q

Kinds of circulation (2)

A

Pulmonary Circulation, Systemic Circulation

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8
Q

Network of tubes

A

Blood Vessels

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9
Q

Types of Blood Vessels (3)

A

Arteries, Capillary, Veins

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10
Q

Away from heart

A

Artery

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11
Q

Towards heart

A

Vein

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12
Q

Where gas exchange takes place

A

Capillary

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13
Q

Small unit of artery

A

Arteriole

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14
Q

Small unit of vein

A

Venules

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15
Q

Broken veins

A

varicose veins

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16
Q

Contents of blood (4)

A

Plasma, Erthrocytes, Leukocytes, Thrombocytes

17
Q

Liquid portion of the blood that contains clotting factors, antibodies, hormones, nutrients, dissolved gases, waste

A

Plasma

18
Q

RBC; contains hemoglobin and oxygene; no nucleus and only survives for 120 days

A

Erythrocytes

19
Q

For oxygen carrying

A

hemoglobin

20
Q

WBC; for fighting infection

A

Leukocytes

21
Q

platelets; for blood clotting which is for prevention of blood loss

A

Thrombocytes

22
Q

Lack of iron in blood

A

Anemia

23
Q

More WBC than RBC

A

Leukemia

24
Q

Bleeder’s disease; lack of fibrinogen in thrombocytes

A

Hemophilia

25
Q

Abnormal heart beat

A

Heart murmur

26
Q

Blockage of blood vessels

A

Heart attack

27
Q

Location of heart

A

Thoracic Cavity

28
Q

Size of heart

A

Closed fist

29
Q

External anatomy of heart (3)

A

2 atria, 2 ventricles, auricle

30
Q

Major veins of heart (2)

A

Super vena cava and pulmonary vein

31
Q

Major Arteries of heart

A

Aorta and pulmonary artery

32
Q

Prevents blood from coming back

A

valves

33
Q

Heart valves (4)

A

Tricuspid, bicuspid, aortic semilunar and pulmonary semilunar valve

34
Q

Measures blood pressure

A

Sphymomanometer

35
Q

Accessory organs of Circulatory System (4)

A

Lymphnodes, Liver, Spleen, Kidney

BIOLOGY 2ND QUARTER (8 decks)

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